Specify road surfaces

Specify building types

corrected buildings and POI

Removed demolished bridge, no more visible because "Historic objects with no relevance to current state of an object generally do not belong in OpenStreetMap." (from the wiki)

Specify whether there are cycleways

Specify maximum heights

Specify road surfaces

Add whether public transport stops are lit

Specify whether public transport stops have bins

Specify whether public transport stops have benches

Specify whether public transport stops have shelters

Specify access to playgrounds

Add housenumbers

Specify path surfaces

Specify whether traffic signals have tactile indications that it's safe to cross

Specify whether traffic signals have a button for pedestrians

Specify whether traffic signals have sound signals

Specify crossing types

Specify whether pedestrian crossings have islands

Specify parking access